---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8368 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 635 8017 4 7336 15010 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:83:80:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84070sec preferred_lft 84070sec inet6 fe80::f816:3eff:fe83:809c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:f2:11:dc:d9:e9 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8368) 09/15/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:00 30.85 1.20 26.21 3.44 69.82 4550.51 42314.34 08:20:12 32.61 0.03 29.20 3.38 0.60 2492.76 27301.02 08:30:01 4.45 0.03 4.20 0.23 0.52 2903.92 2139.28 Average: 22.80 0.42 20.02 2.37 23.61 3312.14 24056.05 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:00 8552384 12469176 3486372 21.29 144124 3880940 3528528 20.25 712396 6703956 3332 08:20:12 8542964 12917564 3034156 18.53 169292 4280348 3041948 17.46 842020 6527324 37132 08:30:01 7532308 12858292 3090284 18.87 174856 5189668 3079200 17.67 1063620 7277472 240192 Average: 8209219 12748344 3203604 19.57 162757 4450319 3216559 18.46 872679 6836251 93552 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:00 lo 1606.33 1606.33 1524.62 1524.62 0.00 0.00 0.00 0.00 08:10:00 ens3 111.66 85.98 828.85 16.56 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:12 lo 1497.06 1497.06 1426.39 1426.39 0.00 0.00 0.00 0.00 08:20:12 ens3 39.40 29.71 25.76 11.67 0.00 0.00 0.00 0.00 08:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 2587.94 2587.94 9456.91 9456.91 0.00 0.00 0.00 0.00 08:30:01 ens3 17.07 13.47 85.90 3.48 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1890.69 1890.69 4089.14 4089.14 0.00 0.00 0.00 0.00 Average: ens3 56.13 43.11 312.69 10.61 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8368) 09/15/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:00 all 68.99 0.00 2.83 0.15 0.04 27.99 08:10:00 0 69.69 0.00 2.62 0.08 0.04 27.57 08:10:00 1 70.49 0.00 3.25 0.26 0.04 25.97 08:10:00 2 66.51 0.00 2.90 0.19 0.04 30.37 08:10:00 3 69.29 0.00 2.55 0.08 0.04 28.05 08:20:12 all 62.74 0.00 2.91 0.19 0.04 34.12 08:20:12 0 61.50 0.00 2.85 0.14 0.04 35.46 08:20:12 1 63.47 0.00 3.00 0.11 0.05 33.37 08:20:12 2 65.09 0.00 3.28 0.12 0.04 31.47 08:20:12 3 60.89 0.00 2.52 0.39 0.04 36.16 08:30:01 all 32.48 0.00 1.33 0.05 0.03 66.11 08:30:01 0 32.92 0.00 1.36 0.01 0.03 65.67 08:30:01 1 29.88 0.00 0.99 0.01 0.03 69.09 08:30:01 2 31.17 0.00 1.69 0.12 0.04 66.98 08:30:01 3 35.94 0.00 1.28 0.05 0.04 62.69 Average: all 54.90 0.00 2.37 0.13 0.04 42.57 Average: 0 54.83 0.00 2.28 0.08 0.04 42.77 Average: 1 54.80 0.00 2.42 0.13 0.04 42.61 Average: 2 54.45 0.00 2.63 0.14 0.04 42.73 Average: 3 55.50 0.00 2.12 0.17 0.04 42.16